Go to Start->Run and type in regedit and hit OK. Go to File->Export and save the registry somewhere as a backup. While in the Registry Editor, navigate to:
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\pol icies\Explorer\Run and delete
nhcginaxu.exe.
Close the Registry Editor now.
Check and fix this one in HijackThis:
O16 - DPF: {0246ECA8-996F-11D1-BE2F-00A0C9037DFE} (TDServer Control) - http://sify.com/eot/tdserver.cab
Download KillBox (
http://www.greyknight17.com/spy/KillBox.exe). Run KillBox and check the box that says 'End Explorer Shell While Killing File'. Next click on 'Delete on Reboot'. For each of the following files below, check the box that says 'Unregister .dll Before Deleting' if it's not grayed out. Copy and paste each of the following into KillBox (hitting the X button for each file - choose NO when it asks if you want to reboot):
C:\WINDOWS\SYSTEM\nhcginaxu.exe
C:\WINDOWS\SYSTEM\{A2CDF2EA-4F11-4778-920E-0033BAFA7C1D}.dat
C:\WINDOWS\SYSTEM\{B577DF33-655C-480F-AD6F-370AAD60D45E}.dat
If you have Windows XP, go to C:\Windows\Prefetch and delete everything inside that Prefetch folder.
Run the CleanUp program now and choose Yes when it asks if you want to log off.
Restart and run these programs/scripts again - HijackThis (both the scan log and the StartupList), Silent Runners, Find-qoologic, DllCompare and Find-It. Post those new logs here.